{
  "_notice": {
    "type": "free_key_offer",
    "message": "Free and anonymous access is staying. If this endpoint is in your pipeline, a free key adds advance notice before any schema change or deprecation. POST /v1/keys {\"email\": \"you@firm.com\"} — nothing else required. Something broken or missing? hello@clearmarket.fyi reaches a human.",
    "docs": "https://clearmarket.fyi/for-data/",
    "policy": "This field is additive and its shape will not change."
  },
  "event_id": "CM-EVT-S74DXCHLX7",
  "slug": "kxclactonbyelection-26sep01",
  "question": "Will the Clacton by-election be won by a candidate from the Liberal Democrats, Labour, or the Green Party?",
  "category": "politics",
  "event_type": "BINARY",
  "ladder_distribution": null,
  "tags": [
    "politics",
    "uk-politics",
    "clacton",
    "by-election",
    "electoral-outcome",
    "2027"
  ],
  "catalyst_types": [],
  "catalyst_dates": [],
  "editorial_notes": "These markets track the outcome of the 2026 Clacton by-election across five competing parties. Each Kalshi contract is a discrete binary: one party wins or loses, structured as parallel outcome bets rather than a continuous range or margin. All five resolve via Kalshi staff determination against the relevant electoral authority's official proclamation. Reform UK and Conservative Party contracts reflect the seat's recent political volatility and likely attract the deepest liquidity.",
  "venues_covered": [
    "kalshi"
  ],
  "primary_market_id": "CM-MKT-S1F4ZSFC99",
  "current_primary_mark": {
    "last_price": 0.96,
    "implied_probability": 0.96
  },
  "created_at": "2026-07-23T21:11:14.426158+00:00",
  "updated_at": "2026-07-23T21:11:14.426158+00:00",
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      "market_id": "CM-MKT-S1F4ZSFC99",
      "event_id": "CM-EVT-S74DXCHLX7",
      "platform": "kalshi",
      "platform_market_id": "KXCLACTONBYELECTION-26SEP01-RUK",
      "question": "Will Reform UK win the 2026 Clacton by-election?",
      "description": "Reform UK",
      "contract_type": "binary",
      "settlement_currency": "USD",
      "underlying_reference": "Reform UK: The relevant electoral authority's official proclamation of the named candidate's win in the specified by-election, confirmed by Kalshi staff by September 1, 2027.",
      "close_at": "2027-09-01T14:00:00Z",
      "resolve_at": "2027-09-01T14:00:00Z",
      "status": "open",
      "resolution": {
        "rules_raw": "If Reform UK wins the 2026 Clacton by-election, then the market resolves to Yes.\n\nThis market may resolve early once a consensus of designated media sources has declared a winner. See full rules for details.",
        "arbitration_model": "kalshi_staff",
        "proposer": "platform_staff",
        "source": "or equivalent electoral authority of the relevant jurisdiction; the formal proclamation by the head of state or government when constitutionally required; for religious elections",
        "source_status": "platform_named",
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        "sources": [
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            "name": "or equivalent electoral authority of the relevant jurisdiction; the formal proclamation by the head of state or government when constitutionally required; for religious elections",
            "url": "https://kalshi.com/",
            "provenance": "platform_api"
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            "name": "constitutional court",
            "url": "https://kalshi.com/",
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        "source_of_record": "official electoral commission",
        "source_mechanism": "precedence",
        "source_type": null,
        "source_quality": "authoritative",
        "source_commitment": "named",
        "source_commitment_subtype": "named",
        "source_hedge_text": null
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      "rcg": {
        "grade": "C",
        "score": 49,
        "caps": [
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        "applied_factors": 7
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      "last_price": 0.96,
      "implied_probability": 0.96,
      "volume_24h_usd": 254.88,
      "volume_total_usd": 270238.7328,
      "settlement_style": "occurrence",
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      "threshold": null,
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      "also_on": null,
      "tags": [
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      "event_id": "CM-EVT-S74DXCHLX7",
      "platform": "kalshi",
      "platform_market_id": "KXCLACTONBYELECTION-26SEP01-CON",
      "question": "Will Conservative party win the 2026 Clacton by-election?",
      "description": "Conservative Party",
      "contract_type": "binary",
      "settlement_currency": "USD",
      "underlying_reference": "Conservative Party: The relevant electoral authority's official proclamation of the named candidate's win in the specified by-election, confirmed by Kalshi staff by September 1, 2027.",
      "close_at": "2027-09-01T14:00:00Z",
      "resolve_at": "2027-09-01T14:00:00Z",
      "status": "open",
      "resolution": {
        "rules_raw": "If Conservative Party wins the 2026 Clacton by-election, then the market resolves to Yes.\n\nThis market may resolve early once a consensus of designated media sources has declared a winner. See full rules for details.",
        "arbitration_model": "kalshi_staff",
        "proposer": "platform_staff",
        "source": "or equivalent electoral authority of the relevant jurisdiction; the formal proclamation by the head of state or government when constitutionally required; for religious elections",
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            "url": "https://kalshi.com/",
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        "source_quality": "authoritative",
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      "rcg": {
        "grade": "C",
        "score": 49,
        "caps": [
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        "applied_factors": 7
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      "last_price": 0.01,
      "implied_probability": 0.01,
      "volume_24h_usd": 0,
      "volume_total_usd": 116.44940000000001,
      "settlement_style": "occurrence",
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      "threshold": null,
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      "tags": [
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      "platform": "kalshi",
      "platform_market_id": "KXCLACTONBYELECTION-26SEP01-LAB",
      "question": "Will Labour Party win the 2026 Clacton by-election?",
      "description": "Labour Party",
      "contract_type": "binary",
      "settlement_currency": "USD",
      "underlying_reference": "Labour Party: The relevant electoral authority's official proclamation of the named candidate's win in the specified by-election, confirmed by Kalshi staff by September 1, 2027.",
      "close_at": "2027-09-01T14:00:00Z",
      "resolve_at": "2027-09-01T14:00:00Z",
      "status": "open",
      "resolution": {
        "rules_raw": "If Labour Party wins the 2026 Clacton by-election, then the market resolves to Yes.\n\nThis market may resolve early once a consensus of designated media sources has declared a winner. See full rules for details.",
        "arbitration_model": "kalshi_staff",
        "proposer": "platform_staff",
        "source": "or equivalent electoral authority of the relevant jurisdiction; the formal proclamation by the head of state or government when constitutionally required; for religious elections",
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            "url": "https://kalshi.com/",
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      "rcg": {
        "grade": "C",
        "score": 49,
        "caps": [
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        "applied_factors": 7
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      "last_price": 0.01,
      "implied_probability": 0.01,
      "volume_24h_usd": 0,
      "volume_total_usd": 188.6037,
      "settlement_style": "occurrence",
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      "threshold": null,
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      "also_on": null,
      "tags": [
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      "eligibility_screens": null
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    {
      "market_id": "CM-MKT-C8C8L2FPD4",
      "event_id": "CM-EVT-S74DXCHLX7",
      "platform": "kalshi",
      "platform_market_id": "KXCLACTONBYELECTION-26SEP01-RES",
      "question": "Will Restore Britain win the 2026 Clacton by-election?",
      "description": "Restore Britain",
      "contract_type": "binary",
      "settlement_currency": "USD",
      "underlying_reference": "Restore Britain: The relevant electoral authority's official proclamation of the named candidate's win in the specified by-election, confirmed by Kalshi staff by September 1, 2027.",
      "close_at": "2027-09-01T14:00:00Z",
      "resolve_at": "2027-09-01T14:00:00Z",
      "status": "open",
      "resolution": {
        "rules_raw": "If Restore Britain wins the 2026 Clacton by-election, then the market resolves to Yes.\n\nThis market may resolve early once a consensus of designated media sources has declared a winner. See full rules for details.",
        "arbitration_model": "kalshi_staff",
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      "question": "Will Count Binface Party win the 2026 Clacton by-election?",
      "description": "Count Binface Party",
      "contract_type": "binary",
      "settlement_currency": "USD",
      "underlying_reference": "Count Binface Party: The relevant electoral authority's official proclamation of the named candidate's win in the specified by-election, confirmed by Kalshi staff by September 1, 2027.",
      "close_at": "2027-09-01T14:00:00Z",
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        "arbitration_model": "kalshi_staff",
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